26643880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21487}}^1$

素因数の和:21529

約数の個数: 32

約数和(自身を含む): 61885440

約数和(自身を除く): 35241560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21487, 42974, 85948, 107435, 171896, 214870, 429740, 666097, 859480, 1332194, 2664388, 3330485, 5328776, 6660970, 13321940, 26643880]

約数ペア:

[(1, 26643880), (2, 13321940), (4, 6660970), (5, 5328776), (8, 3330485), (10, 2664388), (20, 1332194), (31, 859480), (40, 666097), (62, 429740), (124, 214870), (155, 171896), (248, 107435), (310, 85948), (620, 42974), (1240, 21487)]